This material causes Titania and Oberon to have darker and redder leading hemispheres. These outer moons effectively shield ...

Like the ice giant itself, Uranus' moons orbit the sun on their sides and this is just one element that makes them some of the most unusual bodies in the solar system.

The four biggest moons of Uranus — Titania, Oberon, Ariel and Umbriel — may harbor salty oceans beneath their frozen surfaces, a new study suggests.

The complex terrain of Ariel is viewed in this image, the best Voyager 2 color picture of the Uranian moon. ... Umbriel, Titania, and Oberon—probably contain water oceans below their icy crusts.